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$99+ Cheap flights from Baltimore (BWI) to Ottawa (YOW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YOW
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
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Cheap flight deals from Baltimore to Ottawa

Cheapest flights from Baltimore to Ottawa
Explore the most affordable flight options available from Baltimore to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.

This Mytrip deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:40 amBWI - YOW
1 stop13h 18mMultiple Airlines
Wed 1/74:20 pmYOW - BWI
3 stops26h 43mMultiple Airlines
Deal found 12/2$392
This Mytrip deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:18 pmBWI - YOW
2 stops23h 07mMultiple Airlines
Wed 1/74:20 pmYOW - BWI
3 stops26h 43mMultiple Airlines
Deal found 12/2$399
This Mytrip deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:30 amBWI - YOW
1 stop10h 55mMultiple Airlines
Sun 12/147:00 amYOW - BWI
3 stops26h 22mMultiple Airlines
Deal found 12/3$403
This Kiwi.com deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:38 pmBWI - YOW
1 stop24h 47mMultiple Airlines
Sat 12/139:35 amYOW - BWI
2 stops14h 49mMultiple Airlines
Deal found 12/4$421
This Kiwi.com deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:06 pmBWI - YOW
1 stop22h 19mMultiple Airlines
Thu 12/253:55 pmYOW - BWI
2 stops18h 16mMultiple Airlines
Deal found 12/5$427

Find flight deals from Baltimore to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$260
(Kiwi.com)

One-way from

$99
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$424
Provider with most accurate pricing for Baltimore/Washington-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Ottawa flights.
Search Deals
From Baltimore/Washington to Ottawa
Search Deals
One-way flight from Baltimore/Washington to Ottawa
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 5, 2025.
Use the filters below to find and compare flights from Baltimore to Ottawa that are best for you.

Fly from

Baltimore

Fly to

Ottawa

Route

Depart

Return

Price

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 1/8

1:00 pm-12:25 am

1 stop11h 25m

Ottawa

Mon 1/12

4:15 pm-7:03 pm

1 stop26h 48m

$280

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 1/8

8:08 pm-7:18 pm

3 stops23h 10m

Ottawa

Sun 1/11

4:20 pm-7:03 pm

3 stops26h 43m

$294

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 1/19

6:20 am-10:18 pm

2 stops15h 58m

Ottawa

Mon 1/26

7:25 pm-7:03 pm

2 stops23h 38m

$330

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 12/19

10:40 am-11:58 pm

1 stop13h 18m

Ottawa

Wed 1/7

4:20 pm-7:03 pm

3 stops26h 43m

$392

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 1/29

8:08 pm-12:25 am

2 stops28h 17m

Ottawa

Sun 2/1

4:15 pm-10:27 am

2 stops18h 12m

$394

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 2/3

11:30 am-12:25 am

2 stops12h 55m

Ottawa

Sat 4/4

7:00 am-11:59 pm

3 stops16h 59m

$434

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 12/31

8:45 am-5:25 pm

3 stops32h 40m

Ottawa

Wed 1/7

4:15 pm-8:31 am

1 stop16h 16m

$485

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 12/19

10:40 am-11:58 pm

1 stop13h 18m

Ottawa

Mon 12/29

7:00 am-8:29 am

3 stops25h 29m

$517

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 1/14

11:30 am-5:13 pm

1 stop29h 43m

$99

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 12/12

8:00 pm-11:58 pm

1 stop27h 58m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 12 results
1
2

Compare providers for flights from Baltimore to Ottawa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Ottawa in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Ottawa flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Ottawa flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Baltimore-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Ottawa flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Baltimore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Ottawa

What is the cheapest month to book a flight from Baltimore to Ottawa?

Currently, September is the cheapest month in which you can book a flight from Baltimore to Ottawa (average of $113). Flying from Baltimore to Ottawa in June is currently the most expensive (average of $214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BWI to YOW?

Find hourly flight availability from Baltimore to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 5, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 65% on flights from Baltimore to Ottawa by exploring options for tickets at noon.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Baltimore to Ottawa that include hotel bookings?

    Yes. In addition to deals on Baltimore to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Ottawa.

  • Can I find deals for business class flights from Baltimore to Ottawa?

    Yes. Cheapflights offers flight deals from Baltimore to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Baltimore to Ottawa?

    Currently, September is the cheapest month in which you can book a flight from Baltimore to Ottawa (average of $113). Flying from Baltimore to Ottawa in June is currently the most expensive (average of $214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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